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tj1 r SENELA II MINE ~ 'NPDES MATER QUALITY REPORT fLONTINUATI0N1 SAMPLE POINT NPDES 003 (DA0003) LOCATION 6N87N27CDB BASIN GRASSY CREEK DATE OF COLLECTION ~" 04/16/91 04/24/91 04/30/91 05/08/91 05/17/91 05/22/91 05/23/91 FIELD PARAMETERS CONDUCTIVITY (UMHOS/CM) 2990.00 2740.00 2890.00 2750.00 2800.00 2900.00 PH (UNITS) 8.35 8.19 B.25 8.i7 8.33 8.24 MATER TEMPERATURE (DEG C1 6.20 12.00 7.60 12.10 14.40 16.20 FLON ICES) 0.590 0.072 0.225 0.399 0.492 0.192 0.234 LABORATORY PARAMETERS ACIDITY, DISS. IHC/L OF CAC03l 0.00 ALKALINITY, DISS. fMG/L OF CAC03I 247.00 ALUMINUM, TOTAL RECOVERABLE (MG/L) ~ 0.15 ARSENIC, TOTAL RECOVERABLE IUG/LI 5.OD BARIUM, TOTAL RECOVERABLE IUG/LI 50.00 BICARBONATE, DISS. (MG/L) 293.00 BORON, DISS. IUG/L) 200.00 CADMIUM, TOTAL RECOVERABLE lUG/LI ~ < 0.10 CALCIUM, DISS. lMG/L1 279.00 CARBONATE, DISS. IMG/Ll 0.00 CHLORIDE, DISS. (MG/LI 80.00 CHROMIUM, TOTAL RECOVERABLE IUG/L] < 10.00 CONDUCTIVITY D 25 DEG C (UMHOS/CHI 2770.00 COPPER, TOTAL RECOVERABLE lUG/L) < 10.00 FLUORIDE, DISS. fMG/L) 0.30 HARDNESS AS CAC03 (MG/L) 1575.00 IRON, TOTAL ING/LI 0.24 IRON, DISS. (MG/L) < 0.02 LEAD, TOTAL RECOVERABLE IUG/L1 2.00 MAGNESIUM, DISS. ING/L] ~ 214.00 MANGANESE, TOTAL lMG/LI 0.17 MANGANESE, DISS. IMG/LI 0.09 MERCURY, TOTAL RECOVERABLE IUG/LI < 0.10 MOLYBDENUM, TOTAL RECOVERABLE IUG/L) i 1.00 NICKEL, TOTAL RECOVERABLE lUG/U i < 20.00 NITROGEN, AMMONIA, DISS. IMG/L1 0.12 NITROGEN, NITRATE, DISS. (MG/U - ~ 1.48 NITROGEN, NITRITE, DISS. fMG/L) 0.02 PH a 25 DEG C .. 8.30 PHOSPHATE AS P04, DISS. (MG/L1 < 0.10 POTASSIUM, DISS. (MG/L) 8.00 SELENIUM, TOTAL RECOVERABLE IUG/L) < 1.00 SILVER, TOTAL RECOVERABLE IUG/L) < 0.50 SODIUM, DISS. IMG/LI ~ 165.00 SAR 1.83 SULFATE, DISS. fMG/L) 1539.00 SULFIDE, TOTAL IMG/LI 0.11 SUS PENOEO SOLIDS (MG/LI 24.00 ZINC, TOTAL RECOVERABLE (HG/Ll 0.02 CATION/ANION BALANCE 1%) - 0.68 TOTAL DISSOLVED SOLIDS al 180 DEG fHG/L) 2478.00 TOTAL DISSOLVED SOLI05, CALCULATED IMG/L) 2428.00 16 •